db.m9g.16xlarge

db.m9g.16xlarge is an AWS RDS size with 64 vCPUs, 256 GiB memory. In US East (N. Virginia) it costs $5.86 per hour on demand ($4,277.80 per month) for PostgreSQL, Single-AZ; a 1-year Database Savings Plan costs $4.688 per hour, 20% less. It is sold in 4 regions.

Prices by region

USD per hour, PostgreSQL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.

Region	On-demand	1-yr savings plan
US East (N. Virginia) us-east-1	$5.86	$4.688
US East (Ohio) us-east-2	$5.86	$4.688
US West (Oregon) us-west-2	$5.86	$4.688
EU (Frankfurt) eu-central-1	$6.976	$5.581

Reserved and Savings Plans

Prices by engine and deployment in US East (N. Virginia)

Option	On-demand /hr	1-yr reserved /hr	3-yr reserved /hr
PostgreSQL · Single-AZ	$5.86	–	–
PostgreSQL · Multi-AZ	$11.72	–	–
MariaDB · Single-AZ	$5.86	–	–
MySQL · Single-AZ	$5.86	–	–
MariaDB · Multi-AZ	$11.72	–	–
MySQL · Multi-AZ	$11.72	–	–

Specs

Compute	Value
vCPUs	64
Physical cores	64
Threads per core	1
Architecture	arm64
CPU maker	AWS
Sustained clock	3.3 GHz
Burstable	No

Memory	Value
Memory (GiB)	256

Networking	Value
Network baseline	34 Gbps
Network peak	34 Gbps

Storage	Value
EBS baseline bandwidth	24,000 Mbps
EBS max bandwidth	24,000 Mbps
EBS baseline throughput	3,000 MB/s
EBS max throughput	3,000 MB/s
EBS baseline IOPS	96,000
EBS max IOPS	96,000

Instance details	Value
Instance type	db.m9g.16xlarge
Family	m9g
Normalization factor	128

Other	Value
Hardware Basis	m9g.16xlarge

Compare db.m9g.16xlarge

Other generations

vs db.m8g.16xlarge

Other m9g sizes

Size	vCPUs	Memory (GiB)	On-demand /hr
db.m9g.large	2	8	$0.183
db.m9g.xlarge	4	16	$0.366
db.m9g.2xlarge	8	32	$0.732
db.m9g.4xlarge	16	64	$1.465
db.m9g.8xlarge	32	128	$2.93
db.m9g.12xlarge	48	192	$4.395
db.m9g.16xlarge	64	256	$5.86
db.m9g.24xlarge	96	384	$8.79
db.m9g.48xlarge	192	768	$17.58

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.